Kingston Technology 4GB SDHC vs Kingston Technology SD6/8GB-U memory card SDHC

Comparison of 4GB SDHC, SD6/8GB-U

19 specifications	A Kingston Technology 4GB SDHCView product	B Kingston Technology SD6/8GB-U memory card SDHC Model SD6/8GB-U View product
Memory1 differ
CapacityDiffers	4 GB	8 GB
Flash card type	SDHC	SDHC
Read speedKnown for one	—Unknown — not stated by the source	20 MB/s
Write speedKnown for one	—Unknown — not stated by the source	20 MB/s
X-speed ratingKnown for one	—Unknown — not stated by the source	133
Featuresidentical
Product colour	Blue	Blue
Write protection switch	Yes	Yes
Lead platingKnown for one	Gold	—Unknown — not stated by the source
Poweridentical
Input voltage	3.3 V	3.3 V
Operational conditionsidentical
Operating temperature (T-T)	-25 - 85 °C	-25 - 85 °C
Storage temperature (T-T)	-40 - 85 °C	-40 - 85 °C
Weight & dimensionsidentical
Weight	2.5 g	2.5 g
Packaging contentidentical
Memory adapter included	No	No
Other featuresidentical
Dimensions (WxDxH)	24 x 32 x 2.1 mm	24 x 32 x 2.1 mm
Form factorKnown for one	9-pin SecureDigital (SD)	—Unknown — not stated by the source
Transfer rateKnown for one	4 MB/s	—Unknown — not stated by the source
RegisteredKnown for one	No	—Unknown — not stated by the source
Plug and Play	Yes	Yes
Interface typeKnown for one	—Unknown — not stated by the source	USB 2.0

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.